diff --git a/docs-app/package.json b/docs-app/package.json
index dc4101d58..25187395e 100644
--- a/docs-app/package.json
+++ b/docs-app/package.json
@@ -50,7 +50,7 @@
     "@html-next/vertical-collection": "^4.0.0",
     "@nullvoxpopuli/eslint-configs": "^3.0.4",
     "@tailwindcss/typography": "^0.5.7",
-    "@tsconfig/ember": "^2.0.0",
+    "@tsconfig/ember": "^3.0.0",
     "@types/dompurify": "^3.0.0",
     "@types/ember": "^4.0.1",
     "@types/ember-resolver": "^9.0.0",
diff --git a/packages/ember-toucan-core/package.json b/packages/ember-toucan-core/package.json
index b1a58257d..7eba321c1 100644
--- a/packages/ember-toucan-core/package.json
+++ b/packages/ember-toucan-core/package.json
@@ -64,7 +64,7 @@
     "@glint/environment-ember-template-imports": "^1.0.2",
     "@glint/template": "^1.0.2",
     "@nullvoxpopuli/eslint-configs": "^3.0.4",
-    "@tsconfig/ember": "^2.0.0",
+    "@tsconfig/ember": "^3.0.0",
     "@types/ember": "^4.0.0",
     "@types/ember__application": "^4.0.0",
     "@types/ember__array": "^4.0.0",
diff --git a/packages/ember-toucan-form/package.json b/packages/ember-toucan-form/package.json
index e4b0ea889..d7901a050 100644
--- a/packages/ember-toucan-form/package.json
+++ b/packages/ember-toucan-form/package.json
@@ -65,7 +65,7 @@
     "@glint/environment-ember-template-imports": "^1.0.2",
     "@glint/template": "^1.0.2",
     "@nullvoxpopuli/eslint-configs": "^3.0.4",
-    "@tsconfig/ember": "^2.0.0",
+    "@tsconfig/ember": "^3.0.0",
     "@types/ember": "^4.0.0",
     "@types/ember__application": "^4.0.0",
     "@types/ember__array": "^4.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 387b314a9..6c795d701 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -139,8 +139,8 @@ importers:
         specifier: ^0.5.7
         version: 0.5.16(tailwindcss@3.4.17)
       '@tsconfig/ember':
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^3.0.0
+        version: 3.0.8
       '@types/dompurify':
         specifier: ^3.0.0
         version: 3.2.0
@@ -421,8 +421,8 @@ importers:
         specifier: ^3.0.4
         version: 3.2.2(@babel/core@7.26.0)(@babel/eslint-parser@7.26.5(@babel/core@7.26.0)(eslint@8.33.0))(@typescript-eslint/eslint-plugin@5.50.0(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint@8.33.0)(typescript@5.0.2))(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint-config-prettier@8.6.0(eslint@8.33.0))(eslint-plugin-ember@11.8.0(eslint@8.33.0))(eslint-plugin-qunit@7.3.4(eslint@8.33.0))(eslint@8.33.0)(prettier@3.0.1)(typescript@5.0.2)
       '@tsconfig/ember':
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^3.0.0
+        version: 3.0.8
       '@types/ember':
         specifier: ^4.0.0
         version: 4.0.11(@babel/core@7.26.0)
@@ -620,8 +620,8 @@ importers:
         specifier: ^3.0.4
         version: 3.2.2(@babel/core@7.26.0)(@babel/eslint-parser@7.26.5(@babel/core@7.26.0)(eslint@8.33.0))(@typescript-eslint/eslint-plugin@5.50.0(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint@8.33.0)(typescript@5.0.2))(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint-config-prettier@8.6.0(eslint@8.33.0))(eslint-plugin-ember@11.8.0(eslint@8.33.0))(eslint-plugin-qunit@7.3.4(eslint@8.33.0))(eslint@8.33.0)(prettier@3.0.1)(typescript@5.0.2)
       '@tsconfig/ember':
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^3.0.0
+        version: 3.0.8
       '@types/ember':
         specifier: ^4.0.0
         version: 4.0.11(@babel/core@7.26.0)
@@ -815,8 +815,8 @@ importers:
         specifier: ^3.0.4
         version: 3.2.2(@babel/core@7.26.0)(@babel/eslint-parser@7.26.5(@babel/core@7.26.0)(eslint@8.33.0))(@typescript-eslint/eslint-plugin@5.50.0(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint@8.33.0)(typescript@5.0.2))(@typescript-eslint/parser@5.50.0(eslint@8.33.0)(typescript@5.0.2))(eslint-config-prettier@8.6.0(eslint@8.33.0))(eslint-plugin-ember@11.8.0(eslint@8.33.0))(eslint-plugin-qunit@7.3.4(eslint@8.33.0))(eslint@8.33.0)(prettier@3.0.1)(typescript@5.0.2)
       '@tsconfig/ember':
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^3.0.0
+        version: 3.0.8
       '@types/babel__traverse':
         specifier: ^7.18.3
         version: 7.20.6
@@ -3162,8 +3162,8 @@ packages:
     resolution: {integrity: sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==}
     engines: {node: '>=10.13.0'}
 
-  '@tsconfig/ember@2.0.0':
-    resolution: {integrity: sha512-RzbDYYcjxVdG8Ki0xe99HN3+nHTZe6EBgw6N7B3yup7QogVFQQxA9nY7X80j1XzF15xqetwWiYfAjv5lkkp0/A==}
+  '@tsconfig/ember@3.0.8':
+    resolution: {integrity: sha512-OVnIsZIt/8q0VEtcdz3rRryNrm6gdJTxXlxefkGIrkZnME0wqslmwHlUEZ7mvh377df9FqBhNKrYNarhCW8zJA==}
 
   '@types/acorn@4.0.6':
     resolution: {integrity: sha512-veQTnWP+1D/xbxVrPC3zHnCZRjSrKfhbMUlEA43iMZLu7EsnTtkJklIuwrCPbOi8YkvDQAiW05VQQFvvz9oieQ==}
@@ -13717,7 +13717,7 @@ snapshots:
 
   '@trysound/sax@0.2.0': {}
 
-  '@tsconfig/ember@2.0.0': {}
+  '@tsconfig/ember@3.0.8': {}
 
   '@types/acorn@4.0.6':
     dependencies:
diff --git a/test-app/package.json b/test-app/package.json
index 2aff5d7d1..c30708175 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -44,7 +44,7 @@
     "@glint/environment-ember-template-imports": "^1.0.2",
     "@glint/template": "^1.0.2",
     "@nullvoxpopuli/eslint-configs": "^3.0.4",
-    "@tsconfig/ember": "^2.0.0",
+    "@tsconfig/ember": "^3.0.0",
     "@types/babel__traverse": "^7.18.3",
     "@types/ember": "^4.0.3",
     "@types/ember-resolver": "^9.0.0",